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Address P. O. Bos, 202, ^ 

 Washington, D. 0. ) 



\ 



Office, 705 G Street, cor. 7th, 

 off. U. S. Patent-Office. 



Philip R. Voorhees, 

 Attorncy-At-Lav, Solicitor and Counsel in Patent Causes, 



(Formerly of the Engineer Corps, U. S. Navy,) 



Offers his professional services to Inventors in soliciting Patents and prosecuting 

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 and in the trial of Patent Causes before the Courts. Will also act 

 as Consulting or Associate Expert- Counsel in causes in- 

 voicing general Physics and Engineering. 



Refers, by permission, to Gen. S. A. Duncan, of Fisher and Duncan, New York, late Assistant Com- 

 missioner of Patents ; Hon. A. Randall, Annftpolis, Md. ; A. B. Hagnek, Esq,., Annapolis, Md. ; A. l'>. 

 Stoughton, Esq., Washington ; Wm. B. Webb, Esq., Washington ; Chief-Engineer W. W. W. Wood, 

 U. S. N., Chief of Bureau of Steam Engineering ; Commodore C. R. P. Rodgers, U. S. N., Chief i f 

 Bureau of Yards and Docks ; Chief-EDgineer J. W. King, U. S. N., late Chief of Bureau of Steam Engin- 

 eering ; Messrs. McKim & Co., Bankers, Baltimore, Md. 



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